Hexin Technology HXJZ-878 10km-20km Middle Power RS-232/RS-485/TTL to RF Wireless Module - Manual (Page 7)

HXJZ-878 RF Data Radio User’s Manual
6 434.2332MHZ 14 461.1250MHZ
7 433.1580MHZ 15 461.5250MHZ
8 433.9260MHZ 16 462.1250MHZ
Technical specification of HXJZ-878
Modulation mode: GFSK
Working frequency: 430-470MHZ
Transmission power: 5W
Receiving sensitivity: -
123dBm Transmitting current::
<1.5A Receiving current:
<45mA
Channel speed rate: 1200/2400/4800/9600/19200/38400Bit/s,User can Choose one
Interface speed rate: 1200/2400/4800/9600/19200/38400Bit/ s,User can Choose one
Change time for receiving and sending: <10ms
Interface data format: 8E1/8N1/8O1
Power supply: 9-15V DC
Working temperature: -20℃～65℃
Working humidity: 10%～90% relative humidity without condensation
Dimension:109mm×79mm×30mm (not include antenna and Data interface)
Attachable Communication with Model: JZ871/JZ872/JZ873/HXJZ-878
Model and name
JZ 878 -T
T：TTL interface
2：232 interface
4：485 interface
Trouble and solve ways
878A: low rate (1200-4800bps)
878B: High rate(1200-38400bps)
Company Logo
NO. Trouble Trouble causes and solve ways
1
No shine of
Indicator light
a、Power Line(+12V) badness touch .
b、Power(+12V) is bad.
c、Power line(+12V) meet in reverse, or diode of polarity protect is bad.